In the electrolysis of dilute sulphuric acid using platinum electrodes, the products obtained at the anode and cathode are:
Anode Cathode
Dissociation of sulfuric acid,
\(H_2SO_4→2H^+_{(aq)}+SO^{−2}_{4(aq)}\)
Dissociation of water,
\(H_2O→H^+_{(aq)} + OH^−_{(aq)}\)
At Anode : \(4OH^−→2H_2O_{(l)} + O_{2(g)} + 4e_{−}\)
At Cathode : \(2H^+_{(aq)} + 2e^− → H_{2(g)}\)
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